47557723968 has 224 divisors, whose sum is σ = 144696606720. Its totient is φ = 15301301760.

The previous prime is 47557723933. The next prime is 47557723973. The reversal of 47557723968 is 86932775574.

47557723968 is a `hidden beast` number, since 4 + 7 + 557 + 72 + 3 + 9 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26086705 + ... + 26088527.

Almost surely, 2^47557723968 is an apocalyptic number.

47557723968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47557723968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72348303360).

47557723968 is an abundant number, since it is smaller than the sum of its proper divisors (97138882752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47557723968 is a wasteful number, since it uses less digits than its factorization.

47557723968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2346 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 47557723968 in words is "forty-seven billion, five hundred fifty-seven million, seven hundred twenty-three thousand, nine hundred sixty-eight".